XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
vs
Gainward GeForce RTX 3090 Phantom


GPU comparison with benchmarks

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming is based on the AMD Radeon RX 6800 XT (RDNA 2) and has 16 GB GDDR6 graphics memory with a bandwidth of 512 GB/s.

The Gainward GeForce RTX 3090 Phantom is based on the NVIDIA GeForce RTX 3090 (Ampere) and has 24 GB GDDR6X graphics memory with a bandwidth of 936 GB/s.

GPU

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming has the Navi 21 XT graphics chip installed, which is based on the RDNA 2 architecture.

The Gainward GeForce RTX 3090 Phantom is based on the graphics chip GA102-300-A1, which comes from the Ampere architecture.
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming GPU Gainward GeForce RTX 3090 Phantom
AMD Radeon RX 6800 XT Based on NVIDIA GeForce RTX 3090
Navi 21 XT GPU Chip GA102-300-A1
RDNA 2 Architecture Ampere
72 Streaming Multiprocessors 82
4608 Shader 10496
128 Render Output Units 112
288 Texture Units 328
72 Raytracing Cores 82

Memory

The graphics memory of the XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps.

The graphics memory speed of the Gainward GeForce RTX 3090 Phantom is 19.5 Gbps and the clock speed is 1.219 GHz.

16 GB Memory Size 24 GB
GDDR6 Memory Type GDDR6X
2.000 GHz Memory Clock 1.219 GHz
16.0 Gbps Memory Speed 19.5 Gbps
512 GB/s Memory bandwidth 936 GB/s
256 bit Memory Interface 384 bit

Clock Speeds

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

1.925 GHz Base Clock 1.395 GHz
2.360 GHz Boost Clock 1.740 GHz
2.11 GHz Avg (Game) Clock
Yes Overclocking Yes

Thermal Design

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 300 W.

The Gainward GeForce RTX 3090 Phantom has 3 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 370 W.

300 W TDP 370 W
345 W TDP (up) --
100 °C Tjunction max 93 °C
2 x 8-Pin PCIe-Power 3 x 8-Pin

Cooler & Fans

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming is equipped with a total of 3 Axial main fans.

The Gainward GeForce RTX 3090 Phantom has 3 Axial main fans that cool the GPU and memory.

Axial Fan-Type Axial
2 x 105 mm Fan 1 3 x 90 mm
1 x 90 mm Fan 2 --
Air cooling Cooler-Type Air cooling
0 dB Noise (Idle) 0 dB
35-36 dB Noise (Load) --

Connectivity

Up to 4 screens can be operated with the XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming.

The Gainward GeForce RTX 3090 Phantom supports the operation of a maximum of 4 monitors.

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

Featureset

With the XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.

The maximum supported resolution of the Gainward GeForce RTX 3090 Phantom is 7680x4320 pixels.

7680x4320 Max. resolution 7680x4320
12_2 (Ultimate) DirectX 12_2 (Ultimate)
Yes Raytracing Yes
Yes DLSS / FSR Yes
Addressable LED 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
Decode AV1 Decode
Decode / Encode VP8 Decode
Decode / Encode VP9 Decode

Dimensions

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming is connected to the system via PCIe 4.0 x 16 lanes and requires 3 PCIe-Slots space in the housing.

The Gainward GeForce RTX 3090 Phantom needs the space of 3 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface.

340 mm Length 304 mm
138 mm Height 136 mm
54 mm Width --
3 PCIe-Slots Width (Slots) 3 PCIe-Slots
1817 g Weight --
PCIe 4.0 x 16 GPU Interface PCIe 4.0 x 16

Additional data

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming has been manufactured with a structure width of 7 nanometers since Q1/2021.

The Gainward GeForce RTX 3090 Phantom came on the market in Q3/2020 and will have a structure width of 8 nanometers manufactured.

RX-68XTACBD9 Part-no NED3090019SB-1021P
Q1/2021 Release date Q3/2020
799 $ Launch Price 1,629 $
7 nm Structure size 8 nm
data sheet Documents data sheet

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Here you can rate the XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
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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.

3840x2160 (2160p)

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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