MSI Radeon RX Vega 64 Air Boost 8G
vs
XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming


GPU comparison with benchmarks

The MSI Radeon RX Vega 64 Air Boost 8G 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 XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming is based on the AMD Radeon RX 6600 XT (RDNA 2) and has 8 GB GDDR6 graphics memory with a bandwidth of 256 GB/s.

GPU

The MSI Radeon RX Vega 64 Air Boost 8G has the Vega 10 XT graphics chip installed, which is based on the GCN 5 architecture.

The XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming is based on the graphics chip Navi 23 XT, which comes from the RDNA 2 architecture.
MSI Radeon RX Vega 64 Air Boost 8G GPU XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming
AMD RX Vega 64 Based on AMD Radeon RX 6600 XT
Vega 10 XT GPU Chip Navi 23 XT
GCN 5 Architecture RDNA 2
64 Streaming Multiprocessors 32
4096 Shader 2048
64 Render Output Units 64
256 Texture Units 128
0 Raytracing Cores 32

Memory

The graphics memory of the MSI Radeon RX Vega 64 Air Boost 8G clocks at 0.945 GHz, which corresponds to a speed of 1.9 Gbps.

The graphics memory speed of the XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming is 16.0 Gbps and the clock speed is 2.000 GHz.

8 GB Memory Size 8 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 256 GB/s
2048 bit Memory Interface 128 bit

Clock Speeds

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

1.247 GHz Base Clock 2.188 GHz
1.546 GHz Boost Clock 2.607 GHz
Avg (Game) Clock 2.43 GHz
Yes Overclocking Yes

Thermal Design

The MSI Radeon RX Vega 64 Air Boost 8G is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 295 W.

The XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming has 1 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 160 W.

295 W TDP 160 W
-- TDP (up) --
100 °C Tjunction max 100 °C
2 x 8-Pin PCIe-Power 1 x 8-Pin

Cooler & Fans

The MSI Radeon RX Vega 64 Air Boost 8G is equipped with a total of 1 Radial main fans.

The XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming has 3 Axial main fans that cool the GPU and memory.

Radial Fan-Type Axial
1 x 80 mm Fan 1 3 x 80 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 MSI Radeon RX Vega 64 Air Boost 8G.

The XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming 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 3x DP v1.4
-- DVI Ports --
-- VGA Ports --
-- USB-C Ports --

Featureset

With the MSI Radeon RX Vega 64 Air Boost 8G it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.

The maximum supported resolution of the XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming is 7680x4320 pixels.

7680x4320 Max. resolution 7680x4320
12_1 DirectX 12_2 (Ultimate)
No Raytracing Yes
Yes DLSS / FSR Yes
No LED lighting LED 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 MSI Radeon RX Vega 64 Air Boost 8G is connected to the system via PCIe 3.0 x 16 lanes and requires 2 PCIe-Slots space in the housing.

The XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming needs the space of 3 PCIe-Slots in the case and has a PCIe 4.0 x 8 Lanes interface.

270 mm Length 274 mm
110 mm Height 114 mm
40 mm Width 50 mm
2 PCIe-Slots Width (Slots) 3 PCIe-Slots
1068 g Weight --
PCIe 3.0 x 16 GPU Interface PCIe 4.0 x 8

Additional data

The MSI Radeon RX Vega 64 Air Boost 8G has been manufactured with a structure width of 14 nanometers since Q3/2017.

The XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming came on the market in Q3/2021 and will have a structure width of 7 nanometers manufactured.

-- Part-no RX-66XT8TBDQ
Q3/2017 Release date Q3/2021
499 $ (Reference) Launch Price 379 $ (Reference)
14 nm Structure size 7 nm
data sheet Documents data sheet

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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

Port Royal (Raytracing)

Speed Way Graphics Score (Raytracing)

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)

2560x1440 (1440p)

1920x1080 (1080p)

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.

2560x1440 (1440p)

1920x1080 (1080p)

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)

2560x1440 (1440p)

1920x1080 (1080p)

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

Geekbench 6 - Vulkan

Geekbench 6 - Metal

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)

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