GALAX GeForce RTX 4090 SG (1-Click OC)
vs
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming


GPU comparison with benchmarks

The GALAX GeForce RTX 4090 SG (1-Click OC) is based on the NVIDIA GeForce RTX 4090 (Ada Lovelace) and has 24 GB GDDR6X graphics memory with a bandwidth of 1008 GB/s.

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.

GPU

The GALAX GeForce RTX 4090 SG (1-Click OC) has the AD102-300-A1 graphics chip installed, which is based on the Ada Lovelace architecture.

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming is based on the graphics chip Navi 21 XT, which comes from the RDNA 2 architecture.
GALAX GeForce RTX 4090 SG (1-Click OC) GPU XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
NVIDIA GeForce RTX 4090 Based on AMD Radeon RX 6800 XT
AD102-300-A1 GPU Chip Navi 21 XT
Ada Lovelace Architecture RDNA 2
128 Streaming Multiprocessors 72
16384 Shader 4608
176 Render Output Units 128
512 Texture Units 288
128 Raytracing Cores 72

Memory

The graphics memory of the GALAX GeForce RTX 4090 SG (1-Click OC) clocks at 1.313 GHz, which corresponds to a speed of 21.0 Gbps.

The graphics memory speed of the XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming is 16.0 Gbps and the clock speed is 2.000 GHz.

24 GB Memory Size 16 GB
GDDR6X Memory Type GDDR6
1.313 GHz Memory Clock 2.000 GHz
21.0 Gbps Memory Speed 16.0 Gbps
1008 GB/s Memory bandwidth 512 GB/s
384 bit Memory Interface 256 bit

Clock Speeds

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

2.235 GHz Base Clock 1.925 GHz
2.595 GHz Boost Clock 2.360 GHz
Avg (Game) Clock 2.11 GHz
Yes Overclocking Yes

Thermal Design

The GALAX GeForce RTX 4090 SG (1-Click OC) is powered by 1 x 16-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 450 W.

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming has 2 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 300 W.

450 W TDP 300 W
450 W TDP (up) 345 W
90 °C Tjunction max 100 °C
1 x 16-Pin PCIe-Power 2 x 8-Pin

Cooler & Fans

The GALAX GeForce RTX 4090 SG (1-Click OC) is equipped with a total of 3 Axial main fans.

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming has 3 Axial main fans that cool the GPU and memory.

Axial Fan-Type Axial
3 x 102 mm Fan 1 2 x 105 mm
-- Fan 2 1 x 90 mm
Air cooling Cooler-Type Air cooling
0 dB Noise (Idle) 0 dB
-- Noise (Load) 35-36 dB

Connectivity

Up to 4 screens can be operated with the GALAX GeForce RTX 4090 SG (1-Click OC) .

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming 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
3x DP v1.4a DP Ports 2x DP v1.4a
-- DVI Ports --
-- VGA Ports --
-- USB-C Ports 1

Featureset

With the GALAX GeForce RTX 4090 SG (1-Click OC) it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.

The maximum supported resolution of the XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming 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 VP8 Decode / Encode
Decode VP9 Decode / Encode

Dimensions

The GALAX GeForce RTX 4090 SG (1-Click OC) is connected to the system via PCIe 4.0 x 16 lanes and requires 4 PCIe-Slots space in the housing.

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming needs the space of 3 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface.

352 mm Length 340 mm
153 mm Height 138 mm
74 mm Width 54 mm
4 PCIe-Slots Width (Slots) 3 PCIe-Slots
-- Weight 1817 g
PCIe 4.0 x 16 GPU Interface PCIe 4.0 x 16

Additional data

The GALAX GeForce RTX 4090 SG (1-Click OC) has been manufactured with a structure width of 5 nanometers since Q4/2022.

The XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming came on the market in Q1/2021 and will have a structure width of 7 nanometers manufactured.

49NXM5MD6DSG Part-no RX-68XTACBD9
Q4/2022 Release date Q1/2021
1,999 $ Launch Price 799 $
5 nm Structure size 7 nm
data sheet Documents data sheet

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Here you can rate the GALAX GeForce RTX 4090 SG (1-Click OC) 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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