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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce RTX 4090

1173%
1173%

AMD Radeon HD 7970

10%
10%
NVIDIA GeForce RTX 4090 is approximately 1163% faster

Technical Specifications

SpecificationNVIDIA GeForce RTX 4090AMD Radeon HD 7970
Graphics ProcessorDifferent
AD102
Tahiti
CoresDifferent
16384
2048
TMUsDifferent
512
128
ROPsDifferent
176
32
Memory SizeDifferent
24 GB
3 GB
Memory TypeDifferent
GDDR6X
GDDR5
Bus Width
384 bit
384 bit

Graphics Processor

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 7970
GPU NameDifferent
AD102
Tahiti
GPU VariantDifferent
AD102-300-A1
Tahiti XT(215-0821060)
ArchitectureDifferent
Ada Lovelace
GCN 1.0
Foundry
TSMC
TSMC
Process SizeDifferent
5 nm
28 nm
TransistorsDifferent
76,300 million
4,313 million
DensityDifferent
125.3M / mm²
12.3M / mm²
Die SizeDifferent
609 mm²
352 mm²

Graphics Card

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 7970
Release DateDifferent
Sep 20th, 2022
Jan 9th, 2012
AvailabilityDifferent
Oct 12th, 2022
N/A
GenerationDifferent
GeForce 40
Southern Islands(HD 7900)
PredecessorDifferent
GeForce 30
Northern Islands
SuccessorDifferent
GeForce 50
Sea Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
1,599 USD
549 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 3.0 x16
ReviewsDifferent
76 in our database
191 in our database
AnnouncedDifferent
N/A
Dec 22nd, 2011

Clock Speeds

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 7970
Base ClockDifferent
2235 MHz
N/A
Boost ClockDifferent
2520 MHz
N/A
Memory ClockDifferent
1313 MHz21 Gbps effective
1375 MHz5.5 Gbps effective
GPU ClockDifferent
N/A
925 MHz

Memory

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 7970
Memory SizeDifferent
24 GB
3 GB
Memory TypeDifferent
GDDR6X
GDDR5
Memory Bus
384 bit
384 bit
BandwidthDifferent
1.01 TB/s
264.0 GB/s

Render Config

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 7970
Shading UnitsDifferent
16384
2048
TMUsDifferent
512
128
ROPsDifferent
176
32
SM CountDifferent
128
N/A
Tensor CoresDifferent
512
N/A
RT CoresDifferent
128
N/A
L1 CacheDifferent
128 KB (per SM)
16 KB (per CU)
L2 CacheDifferent
72 MB
768 KB
Compute UnitsDifferent
N/A
32

Theoretical Performance

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 7970
Pixel RateDifferent
443.5 GPixel/s
29.60 GPixel/s
Texture RateDifferent
1,290.2 GTexel/s
118.4 GTexel/s
FP16 (half)Different
82.58 TFLOPS (1:1)
N/A
FP32 (float)Different
82.58 TFLOPS
3.789 TFLOPS
FP64 (double)Different
1,290.2 GFLOPS (1:64)
947.2 GFLOPS (1:4)

Board Design

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 7970
Slot WidthDifferent
Triple-slot
Dual-slot
LengthDifferent
304 mm12 inches
275 mm10.8 inches
HeightDifferent
137 mm5.4 inches
111 mm4.4 inches
WidthDifferent
61 mm2.4 inches
38 mm1.5 inches
TDPDifferent
450 W
250 W
Suggested PSUDifferent
850 W
600 W
OutputsDifferent
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
1x 16-pin
1x 6-pin + 1x 8-pin
Board NumberDifferent
PG139 SKU 330
109-C38637-00

Graphics Features

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 7970
DirectXDifferent
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
3.0
2.1 (1.2)
VulkanDifferent
1.3
1.2.170
CUDADifferent
8.9
N/A
Shader ModelDifferent
6.8
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
56
Detailed Features

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