AMD Radeon RX 7900 XTX vs NVIDIA GeForce RTX 4080

Comparative analysis of AMD Radeon RX 7900 XTX and NVIDIA GeForce RTX 4080 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, 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/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).

AMD Radeon RX 7900 XTX

NVIDIA GeForce RTX 4080

Differences

Reasons to consider the AMD Radeon RX 7900 XTX

Videocard is newer: launch date 1 month(s) later
Around 26% higher texture fill rate: 959.6 GTexel/s vs 761.5 GTexel/s
Around 50% higher maximum memory size: 24 GB vs 16 GB
Around 79% higher memory clock speed: 2500 MHz, 20 Gbps effective vs 1400 MHz, 22.4 Gbps effective
Around 8% better performance in 3DMark Fire Strike - Graphics Score: 30452 vs 28227
Around 69% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 461.69 vs 272.641

Specifications (specs)
Launch date	3 Nov 2022 vs 20 Sep 2022
Texture fill rate	959.6 GTexel/s vs 761.5 GTexel/s
Maximum memory size	24 GB vs 16 GB
Memory clock speed	2500 MHz, 20 Gbps effective vs 1400 MHz, 22.4 Gbps effective
Benchmarks
3DMark Fire Strike - Graphics Score	30452 vs 28227
CompuBench 1.5 Desktop - Video Composition (Frames/s)	461.69 vs 272.641

Reasons to consider the NVIDIA GeForce RTX 4080

Around 19% higher core clock speed: 2205 MHz vs 1855 MHz
Around 58% higher pipelines: 9728 vs 6144
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
Around 11% lower typical power consumption: 320 Watt vs 355 Watt
Around 1% better performance in PassMark - G2D Mark: 1244 vs 1233
Around 12% better performance in PassMark - G3D Mark: 34613 vs 30970
Around 27% better performance in Geekbench - OpenCL: 240507 vs 189818
Around 47% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 722.769 vs 492.964
Around 11% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 72.795 vs 65.586

Specifications (specs)
Core clock speed	2205 MHz vs 1855 MHz
Boost clock speed	2505 MHz vs 2499 MHz
Pipelines	9728 vs 6144
Manufacturing process technology	4 nm vs 5 nm
Thermal Design Power (TDP)	320 Watt vs 355 Watt
Benchmarks
PassMark - G2D Mark	1244 vs 1233
PassMark - G3D Mark	34613 vs 30970
Geekbench - OpenCL	240507 vs 189818
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	722.769 vs 492.964
CompuBench 1.5 Desktop - T-Rex (Frames/s)	72.795 vs 65.586

Compare benchmarks

GPU 1: AMD Radeon RX 7900 XTX
GPU 2: NVIDIA GeForce RTX 4080

PassMark - G2D Mark

GPU 1

GPU 2

1233

1244

PassMark - G3D Mark

GPU 1

GPU 2

30970

34613

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

30452

28227

Geekbench - OpenCL

GPU 1

GPU 2

189818

240507

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

492.964

722.769

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

GPU 1

GPU 2

65.586

72.795

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

461.69

272.641

Name	AMD Radeon RX 7900 XTX	NVIDIA GeForce RTX 4080
PassMark - G2D Mark	1233	1244
PassMark - G3D Mark	30970	34613
3DMark Fire Strike - Graphics Score	30452	28227
Geekbench - OpenCL	189818	240507
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	492.964	722.769
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	14101.507
CompuBench 1.5 Desktop - T-Rex (Frames/s)	65.586	72.795
CompuBench 1.5 Desktop - Video Composition (Frames/s)	461.69	272.641
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2659.85

Compare specifications (specs)

	AMD Radeon RX 7900 XTX	NVIDIA GeForce RTX 4080
Essentials
Architecture	RDNA 3.0	Ada Lovelace
Code name	Navi 31	AD103
Launch date	3 Nov 2022	20 Sep 2022
Place in performance rating	7	6
Technical info
Boost clock speed	2499 MHz	2505 MHz
Compute units	96
Core clock speed	1855 MHz	2205 MHz
Manufacturing process technology	5 nm	4 nm
Peak Double Precision (FP64) Performance	3.838 TFLOPS (1:16)	761.5 GFLOPS (1:64)
Peak Half Precision (FP16) Performance	122.8 TFLOPS (2:1)	48.74 TFLOPS (1:1)
Peak Single Precision (FP32) Performance	61.42 TFLOPS	48.74 TFLOPS
Pipelines	6144	9728
Pixel fill rate	479.8 GPixel/s	280.6 GPixel/s
Texture fill rate	959.6 GTexel/s	761.5 GTexel/s
Thermal Design Power (TDP)	355 Watt	320 Watt
Transistor count	57700 million	45900 million
Video outputs and ports
Display Connectors	1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C	1x HDMI 2.1, 3x DisplayPort 1.4a
Compatibility, dimensions and requirements
Form factor	Dual-slot	Triple-slot
Height	51 mm, 2 inches	61 mm, 2.4 inches
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	287 mm, 11.3 inches	310 mm, 12.2 inches
Recommended system power (PSU)	750 Watt	700 Watt
Supplementary power connectors	2x 8-pin	1x 16-pin
Width	135 mm, 5.3 inches	140 mm, 5.5 inches
API support
DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
OpenCL	2.1	3.0
OpenGL	4.6	4.6
Shader Model	6.7	6.7
Vulkan
Memory
Maximum RAM amount	24 GB	16 GB
Memory bandwidth	960.0 GB/s	716.8 GB/s
Memory bus width	384 bit	256 bit
Memory clock speed	2500 MHz, 20 Gbps effective	1400 MHz, 22.4 Gbps effective
Memory type	GDDR6	GDDR6X