AMD Radeon RX VEGA 64
vs
AMD Radeon RX 6800


GPU comparison with benchmarks

The AMD Radeon RX VEGA 64 is based on the AMD RX Vega 64 (GCN 5) and has 8 GB HBM2 graphics memory with a bandwidth of 484 GB/s.

The AMD Radeon RX 6800 is based on the AMD Radeon RX 6800 (RDNA 2) and has 16 GB GDDR6 graphics memory with a bandwidth of 512 GB/s.

GPU

The AMD Radeon RX VEGA 64 has the Vega 10 XT graphics chip installed, which is based on the GCN 5 architecture.

The AMD Radeon RX 6800 is based on the graphics chip Navi 21, which comes from the RDNA 2 architecture.
AMD Radeon RX VEGA 64 GPU AMD Radeon RX 6800
AMD RX Vega 64 Based on AMD Radeon RX 6800
Vega 10 XT GPU Chip Navi 21
GCN 5 Architecture RDNA 2
64 Streaming Multiprocessors 60
4096 Shader 3840
64 Render Output Units 96
256 Texture Units 240
0 Raytracing Cores 60

Memory

The graphics memory of the AMD Radeon RX VEGA 64 clocks at 0.945 GHz, which corresponds to a speed of 1.9 Gbps.

The graphics memory speed of the AMD Radeon RX 6800 is 16.0 Gbps and the clock speed is 2.000 GHz.

8 GB Memory Size 16 GB
HBM2 Memory Type GDDR6
0.945 GHz Memory Clock 2.000 GHz
1.9 Gbps Memory Speed 16.0 Gbps
484 GB/s Memory bandwidth 512 GB/s
2048 bit Memory Interface 256 bit

Clock Speeds

The clock frequency of a graphics card determines the speed in connection with the graphics architecture.

1.247 GHz Base Clock 1.700 GHz
1.546 GHz Boost Clock 2.105 GHz
Avg (Game) Clock 1.82 GHz
Yes Overclocking Yes

Thermal Design

The AMD Radeon RX VEGA 64 is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 295 W.

The AMD Radeon RX 6800 has 2 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 250 W.

295 W TDP 250 W
-- TDP (up) 285 W
100 °C Tjunction max 100 °C
2 x 8-Pin PCIe-Power 2 x 8-Pin

Cooler & Fans

The AMD Radeon RX VEGA 64 is equipped with a total of 1 Radial main fans.

The AMD Radeon RX 6800 has 3 Axial main fans that cool the GPU and memory.

Radial Fan-Type Axial
1 x 70 mm Fan 1 3 x 85 mm
-- Fan 2 --
Air cooling Cooler-Type Air cooling
dB Noise (Idle) 0 dB
-- Noise (Load) --

Connectivity

Up to 4 screens can be operated with the AMD Radeon RX VEGA 64.

The AMD Radeon RX 6800 supports the operation of a maximum of 4 monitors.

4 Max. Displays 4
2.2 HDCP-Version 2.3
1x HDMI v2.0b HDMI Ports 1x HDMI v2.1
3x DP v1.4 DP Ports 2x DP v1.4a
-- DVI Ports --
-- VGA Ports --
-- USB-C Ports 1

Featureset

With the AMD Radeon RX VEGA 64 it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.

The maximum supported resolution of the AMD Radeon RX 6800 is 7680x4320 pixels.

7680x4320 Max. resolution 7680x4320
12_1 DirectX 12_2 (Ultimate)
No Raytracing Yes
Yes DLSS / FSR Yes
No LED lighting LED Non addressable LED

Supported Video Codecs

The support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card.

Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC Decode / Encode
No AV1 Decode
Decode VP8 Decode / Encode
Decode / Encode VP9 Decode / Encode

Dimensions

The AMD Radeon RX VEGA 64 is connected to the system via PCIe 3.0 x 16 lanes and requires 2 PCIe-Slots space in the housing.

The AMD Radeon RX 6800 needs the space of 2 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface.

280 mm Length 267 mm
127 mm Height 120 mm
41 mm Width --
2 PCIe-Slots Width (Slots) 2 PCIe-Slots
-- Weight --
PCIe 3.0 x 16 GPU Interface PCIe 4.0 x 16

Additional data

The AMD Radeon RX VEGA 64 has been manufactured with a structure width of 14 nanometers since Q3/2017.

The AMD Radeon RX 6800 came on the market in Q4/2020 and will have a structure width of 7 nanometers manufactured.

-- Part-no --
Q3/2017 Release date Q4/2020
499 $ (Reference) Launch Price 579 $
14 nm Structure size 7 nm
data sheet Documents data sheet

Rate these graphics cards now

Here you can rate the AMD Radeon RX VEGA 64 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the AMD Radeon RX 6800 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (2 ratings). Rate now:

Benchmark results

3DMark Benchmark (DirectX, Raytracing)

3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.

Time Spy Extreme Graphics score

AMD Radeon RX VEGA 64 AMD Radeon RX VEGA 64
8 GB HBM2
3513
AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
7671

Port Royal (Raytracing)

AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
7867

Speed Way Graphics Score (Raytracing)

AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
2931

Cyberpunk 2077

Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.

3840x2160 (2160p)

AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
51 fps (avg)

2560x1440 (1440p)

AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
59 fps (avg)

1920x1080 (1080p)

AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
87 fps (avg)

The Last of Us Part 1

The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.

3840x2160 (2160p)

AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
30 fps (avg)

2560x1440 (1440p)

AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
60 fps (avg)

1920x1080 (1080p)

AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
104 fps (avg)

Battlefield 5

Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.

3840x2160 (2160p)

AMD Radeon RX VEGA 64 AMD Radeon RX VEGA 64
8 GB HBM2
64 fps (avg)
AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
91 fps (avg)

2560x1440 (1440p)

AMD Radeon RX VEGA 64 AMD Radeon RX VEGA 64
8 GB HBM2
92 fps (avg)
AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
178 fps (avg)

1920x1080 (1080p)

AMD Radeon RX VEGA 64 AMD Radeon RX VEGA 64
8 GB HBM2
128 fps (avg)
AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
195 fps (avg)

Geekbench 6 (OpenCL, Vulkan, Metal)

Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.

Geekbench 6 - OpenCL

AMD Radeon RX VEGA 64 AMD Radeon RX VEGA 64
8 GB HBM2
67049
AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
126364

Geekbench 6 - Vulkan

AMD Radeon RX VEGA 64 AMD Radeon RX VEGA 64
8 GB HBM2
72946
AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
128479

Geekbench 6 - Metal

AMD Radeon RX VEGA 64 AMD Radeon RX VEGA 64
8 GB HBM2
76720
AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
165447

FP32 Performance (Single-precision TFLOPS)

The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.

FP32 (TFLOPS)

AMD Radeon RX VEGA 64 AMD Radeon RX VEGA 64
8 GB HBM2
12.66
AMD Radeon RX 6800 AMD Radeon RX 6800
16 GB GDDR6
16.17

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