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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce RTX 5080

639%
639%

AMD Radeon HD 7990

16%
16%
NVIDIA GeForce RTX 5080 is approximately 623% faster

Technical Specifications

SpecificationNVIDIA GeForce RTX 5080AMD Radeon HD 7990
Graphics ProcessorDifferent
GB203
Malta x2
CoresDifferent
10752
2048 x2
TMUsDifferent
336
128 x2
ROPsDifferent
112
32 x2
Memory SizeDifferent
16 GB
3 GB x2
Memory TypeDifferent
GDDR7
GDDR5
Bus WidthDifferent
256 bit
384 bit x2

Graphics Processor

FeatureNVIDIA GeForce RTX 5080AMD Radeon HD 7990
GPU NameDifferent
GB203
Malta
GPU VariantDifferent
GB203-400-A1
Malta XT(215-0849026)
ArchitectureDifferent
Blackwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process TypeDifferent
4N FinFET
N/A
Process SizeDifferent
5 nm
28 nm
TransistorsDifferent
45,600 million
4,313 million
DensityDifferent
120.6M / mm²
11.8M / mm²
Die SizeDifferent
378 mm²
365 mm²

Graphics Card

FeatureNVIDIA GeForce RTX 5080AMD Radeon HD 7990
Release DateDifferent
Jan 30th, 2025
Apr 24th, 2013
AnnouncedDifferent
Jan 6th, 2025
N/A
GenerationDifferent
GeForce 50
Southern Islands(HD 7900)
PredecessorDifferent
GeForce 40
Northern Islands
ProductionDifferent
Active
End-of-life
Launch Price
999 USD
999 USD
Bus InterfaceDifferent
PCIe 5.0 x16
PCIe 3.0 x16
ReviewsDifferent
72 in our database
37 in our database
SuccessorDifferent
N/A
Sea Islands

Clock Speeds

FeatureNVIDIA GeForce RTX 5080AMD Radeon HD 7990
Base ClockDifferent
2295 MHz
950 MHz
Boost ClockDifferent
2617 MHz
1000 MHz
Memory ClockDifferent
1875 MHz30 Gbps effective
1500 MHz6 Gbps effective

Memory

FeatureNVIDIA GeForce RTX 5080AMD Radeon HD 7990
Memory SizeDifferent
16 GB
3 GB
Memory TypeDifferent
GDDR7
GDDR5
Memory BusDifferent
256 bit
384 bit
BandwidthDifferent
960.0 GB/s
288.0 GB/s

Render Config

FeatureNVIDIA GeForce RTX 5080AMD Radeon HD 7990
Shading UnitsDifferent
10752
2048
TMUsDifferent
336
128
ROPsDifferent
112
32
SM CountDifferent
84
N/A
Tensor CoresDifferent
336
N/A
RT CoresDifferent
84
N/A
L1 CacheDifferent
128 KB (per SM)
16 KB (per CU)
L2 CacheDifferent
64 MB
768 KB
Compute UnitsDifferent
N/A
32

Theoretical Performance

FeatureNVIDIA GeForce RTX 5080AMD Radeon HD 7990
Pixel RateDifferent
293.1 GPixel/s
32.00 GPixel/s
Texture RateDifferent
879.3 GTexel/s
128.0 GTexel/s
FP16 (half)Different
56.28 TFLOPS (1:1)
N/A
FP32 (float)Different
56.28 TFLOPS
4.096 TFLOPS
FP64 (double)Different
879.3 GFLOPS (1:64)
1,024.0 GFLOPS (1:4)

Board Design

FeatureNVIDIA GeForce RTX 5080AMD Radeon HD 7990
Slot Width
Dual-slot
Dual-slot
Length
304 mm12 inches
304 mm12 inches
HeightDifferent
137 mm5.4 inches
106 mm4.2 inches
WidthDifferent
40 mm1.6 inches
38 mm1.5 inches
TDPDifferent
360 W
375 W
Suggested PSU
750 W
750 W
OutputsDifferent
1x HDMI 2.1b3x DisplayPort 2.1b
1x DVI4x mini-DisplayPort 1.2
Power ConnectorsDifferent
1x 16-pin
2x 8-pin
Board NumberDifferent
PG147 SKU 45
109-C47637-00A_02

Graphics Features

FeatureNVIDIA GeForce RTX 5080AMD Radeon HD 7990
DirectXDifferent
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
3.0
2.1 (1.2)
VulkanDifferent
1.4
1.2.175
CUDADifferent
12.0
N/A
Shader ModelDifferent
6.8
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
54
Detailed Features

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