AMD Radeon RX 7800 XT vs AMD Radeon RX 6900 XT

Comparative analysis of AMD Radeon RX 7800 XT and AMD Radeon RX 6900 XT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, 3DMark Fire Strike - Graphics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon RX 7800 XT

AMD Radeon RX 6900 XT

Differences

Reasons to consider the AMD Radeon RX 7800 XT

Videocard is newer: launch date 2 year(s) 9 month(s) later
Around 8% higher boost clock speed: 2430 MHz vs 2250 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 5 nm vs 7 nm
Around 14% lower typical power consumption: 263 Watt vs 300 Watt
Around 22% higher memory clock speed: 2438 MHz, 19.5 Gbps effective vs 2000 MHz (16 Gbps effective)
Around 11% better performance in PassMark - G2D Mark: 1169 vs 1052
Around 65% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 530.303 vs 320.733

Specifications (specs)
Launch date	25 Aug 2023 vs 28 Oct 2020
Boost clock speed	2430 MHz vs 2250 MHz
Manufacturing process technology	5 nm vs 7 nm
Thermal Design Power (TDP)	263 Watt vs 300 Watt
Memory clock speed	2438 MHz, 19.5 Gbps effective vs 2000 MHz (16 Gbps effective)
Benchmarks
PassMark - G2D Mark	1169 vs 1052
CompuBench 1.5 Desktop - Video Composition (Frames/s)	530.303 vs 320.733

Reasons to consider the AMD Radeon RX 6900 XT

Around 41% higher core clock speed: 1825 MHz vs 1295 MHz
Around 23% higher texture fill rate: 720.0 GTexel/s vs 583.2 GTexel/s
Around 33% higher pipelines: 5120 vs 3840
Around 11% better performance in PassMark - G3D Mark: 26746 vs 24198
Around 19% better performance in Geekbench - OpenCL: 166557 vs 140136
5.1x better performance in 3DMark Fire Strike - Graphics Score: 21090 vs 4157
Around 9% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 543.753 vs 500.918
Around 18% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 51.155 vs 43.482
Around 14% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 2566.9 vs 2259.753

Specifications (specs)
Core clock speed	1825 MHz vs 1295 MHz
Texture fill rate	720.0 GTexel/s vs 583.2 GTexel/s
Pipelines	5120 vs 3840
Benchmarks
PassMark - G3D Mark	26746 vs 24198
Geekbench - OpenCL	166557 vs 140136
3DMark Fire Strike - Graphics Score	21090 vs 4157
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	543.753 vs 500.918
CompuBench 1.5 Desktop - T-Rex (Frames/s)	51.155 vs 43.482
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2566.9 vs 2259.753

Compare benchmarks

GPU 1: AMD Radeon RX 7800 XT
GPU 2: AMD Radeon RX 6900 XT

PassMark - G2D Mark

GPU 1

GPU 2

1169

1052

PassMark - G3D Mark

GPU 1

GPU 2

24198

26746

Geekbench - OpenCL

GPU 1

GPU 2

140136

166557

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

4157

21090

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

500.918

543.753

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

43.482

51.155

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

530.303

320.733

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

2259.753

2566.9

Name	AMD Radeon RX 7800 XT	AMD Radeon RX 6900 XT
PassMark - G2D Mark	1169	1052
PassMark - G3D Mark	24198	26746
Geekbench - OpenCL	140136	166557
3DMark Fire Strike - Graphics Score	4157	21090
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	500.918	543.753
CompuBench 1.5 Desktop - T-Rex (Frames/s)	43.482	51.155
CompuBench 1.5 Desktop - Video Composition (Frames/s)	530.303	320.733
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2259.753	2566.9
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		0
GFXBench 4.0 - Car Chase Offscreen (Frames)		17213
GFXBench 4.0 - Manhattan (Frames)		3714
GFXBench 4.0 - T-Rex (Frames)		3350
GFXBench 4.0 - Car Chase Offscreen (Fps)		17213
GFXBench 4.0 - Manhattan (Fps)		3714
GFXBench 4.0 - T-Rex (Fps)		3350

Compare specifications (specs)

	AMD Radeon RX 7800 XT	AMD Radeon RX 6900 XT
Essentials
Architecture	RDNA 3.0	RDNA 2.0
Code name	Navi 32	Navi 21
Launch date	25 Aug 2023	28 Oct 2020
Place in performance rating	24	62
Launch price (MSRP)		$999
Type		Desktop
Technical info
Boost clock speed	2430 MHz	2250 MHz
Compute units	60	80
Core clock speed	1295 MHz	1825 MHz
Manufacturing process technology	5 nm	7 nm
Pipelines	3840	5120
Pixel fill rate	233.3 GPixel/s	288.0 GPixel/s
Texture fill rate	583.2 GTexel/s	720.0 GTexel/s
Thermal Design Power (TDP)	263 Watt	300 Watt
Transistor count	28100 million	26800 million
Peak Double Precision (FP64) Performance		1440 GFLOPS (1:16)
Peak Half Precision (FP16) Performance		46.08 TFLOPS (2:1)
Peak Single Precision (FP32) Performance		23.04 TFLOPS
Video outputs and ports
Display Connectors	1x HDMI 2.1a, 3x DisplayPort 2.1	1x HDMI, 2x DisplayPort, 1x USB Type-C
Compatibility, dimensions and requirements
Form factor	Dual-slot	Triple-slot
Height	50 mm, 2 inches	50 mm (2 inches)
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	267 mm, 10.5 inches	267 mm (10.5 inches)
Recommended system power (PSU)	600 Watt	700 Watt
Supplementary power connectors	2x 8-pin	2x 8-pin
Width	111 mm, 4.4 inches	120 mm (4.7 inches)
API support
DirectX	12 Ultimate (12_2)	12.2
OpenCL	2.2	2.1
OpenGL	4.6	4.6
Shader Model	6.7	6.5
Vulkan
Memory
Maximum RAM amount	16 GB	16 GB
Memory bandwidth	624.1 GB/s	512 GB/s
Memory bus width	256 bit	256 bit
Memory clock speed	2438 MHz, 19.5 Gbps effective	2000 MHz (16 Gbps effective)
Memory type	GDDR6	GDDR6