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GPU Comparison

Side-by-side comparison of specifications and performance

AMD Radeon RX 7900 GRE

AMD Radeon RX 7900 GRE

AMD Radeon HD 7970

AMD Radeon HD 7970

Performance Comparison

AMD Radeon RX 7900 GRE

636%
636%

AMD Radeon HD 7970

18%
18%
AMD Radeon RX 7900 GRE is approximately 618% faster

Technical Specifications

SpecificationAMD Radeon RX 7900 GREAMD Radeon HD 7970
Graphics ProcessorDifferent
Navi 31
Tahiti
CoresDifferent
5120
2048
TMUsDifferent
320
128
ROPsDifferent
160
32
Memory SizeDifferent
16 GB
3 GB
Memory TypeDifferent
GDDR6
GDDR5
Bus WidthDifferent
256 bit
384 bit

Graphics Processor

FeatureAMD Radeon RX 7900 GREAMD Radeon HD 7970
GPU NameDifferent
Navi 31
Tahiti
CodenameDifferent
Plum Bonito
N/A
GPU VariantDifferent
Navi 31 XL(215-145000206)
Tahiti XT(215-0821060)
ArchitectureDifferent
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process SizeDifferent
5 nm
28 nm
MCD ProcessDifferent
6 nm
N/A
Process TypeDifferent
N5 / N6 FinFET
N/A
TransistorsDifferent
57,700 million
4,313 million
GCD TransistorsDifferent
45,400 million
N/A
MCD TransistorsDifferent
2,050 million x6
N/A
DensityDifferent
109.1M / mm²
12.3M / mm²
GCD DensityDifferent
150.2M / mm²
N/A
MCD DensityDifferent
54.64M / mm²
N/A
Die SizeDifferent
529 mm²
352 mm²
GCD Die SizeDifferent
304.35 mm²
N/A
MCD Die SizeDifferent
37.52 mm² x6
N/A
Chip PackageDifferent
MCM
N/A

Graphics Card

FeatureAMD Radeon RX 7900 GREAMD Radeon HD 7970
Release DateDifferent
Jul 27th, 2023
Jan 9th, 2012
GenerationDifferent
Navi III(RX 7000)
Southern Islands(HD 7900)
PredecessorDifferent
Navi II
Northern Islands
SuccessorDifferent
Navi IV
Sea Islands
ProductionDifferent
Active
End-of-life
Launch Price
549 USD
549 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 3.0 x16
ReviewsDifferent
34 in our database
191 in our database
AnnouncedDifferent
N/A
Dec 22nd, 2011

Clock Speeds

FeatureAMD Radeon RX 7900 GREAMD Radeon HD 7970
Base ClockDifferent
1287 MHz
N/A
Shader ClockDifferent
1880 MHz
N/A
Game ClockDifferent
1880 MHz
N/A
Boost ClockDifferent
2245 MHz
N/A
Memory ClockDifferent
2250 MHz18 Gbps effective
1375 MHz5.5 Gbps effective
GPU ClockDifferent
N/A
925 MHz

Memory

FeatureAMD Radeon RX 7900 GREAMD Radeon HD 7970
Memory SizeDifferent
16 GB
3 GB
Memory TypeDifferent
GDDR6
GDDR5
Memory BusDifferent
256 bit
384 bit
BandwidthDifferent
576.0 GB/s
264.0 GB/s

Render Config

FeatureAMD Radeon RX 7900 GREAMD Radeon HD 7970
Shading UnitsDifferent
5120
2048
TMUsDifferent
320
128
ROPsDifferent
160
32
Compute UnitsDifferent
80
32
Matrix CoresDifferent
160
N/A
RT CoresDifferent
80
N/A
L0 CacheDifferent
64 KB per WGP
N/A
L1 CacheDifferent
256 KB per Array
16 KB (per CU)
L2 CacheDifferent
6 MB
768 KB
L3 CacheDifferent
64 MB
N/A

Theoretical Performance

FeatureAMD Radeon RX 7900 GREAMD Radeon HD 7970
Pixel RateDifferent
359.2 GPixel/s
29.60 GPixel/s
Texture RateDifferent
718.4 GTexel/s
118.4 GTexel/s
FP16 (half)Different
91.96 TFLOPS (2:1)
N/A
FP32 (float)Different
45.98 TFLOPS
3.789 TFLOPS
FP64 (double)Different
1,436.8 GFLOPS (1:32)
947.2 GFLOPS (1:4)

Board Design

FeatureAMD Radeon RX 7900 GREAMD Radeon HD 7970
Slot Width
Dual-slot
Dual-slot
LengthDifferent
276 mm10.9 inches
275 mm10.8 inches
HeightDifferent
110 mm4.3 inches
111 mm4.4 inches
WidthDifferent
51 mm2 inches
38 mm1.5 inches
TDPDifferent
260 W
250 W
Suggested PSU
600 W
600 W
OutputsDifferent
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
2x 8-pin
1x 6-pin + 1x 8-pin
Board NumberDifferent
109-D712A7-00_02
109-C38637-00

Graphics Features

FeatureAMD Radeon RX 7900 GREAMD Radeon HD 7970
DirectXDifferent
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
2.2
2.1 (1.2)
VulkanDifferent
1.3
1.2.170
Shader ModelDifferent
6.8
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
67
Detailed Features

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AMD Radeon RX 7900 GRE vs GeForce RTX 3090 Ti

GeForce RTX 3090 Ti Performance119%

GeForce RTX 3090 Ti is 19% faster than AMD Radeon RX 7900 GRE

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AMD Radeon RX 7900 GRE vs GeForce RTX 4070 Ti SUPER

GeForce RTX 4070 Ti SUPER Performance119%

GeForce RTX 4070 Ti SUPER is 19% faster than AMD Radeon RX 7900 GRE

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AMD Radeon RX 7900 GRE vs Radeon RX 9070

Radeon RX 9070 Performance119%

Radeon RX 9070 is 19% faster than AMD Radeon RX 7900 GRE

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AMD Radeon RX 7900 GRE vs GeForce RTX 4070 Ti

GeForce RTX 4070 Ti Performance109%

GeForce RTX 4070 Ti is 9% faster than AMD Radeon RX 7900 GRE

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AMD Radeon RX 7900 GRE vs GeForce RTX 5070

GeForce RTX 5070 Performance108%

GeForce RTX 5070 is 8% faster than AMD Radeon RX 7900 GRE

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AMD Radeon RX 7900 GRE vs GeForce RTX 3090

GeForce RTX 3090 Performance106%

GeForce RTX 3090 is 6% faster than AMD Radeon RX 7900 GRE

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More Comparisons with AMD Radeon HD 7970

Compare AMD Radeon HD 7970 with other GPUs of similar performance

AMD Radeon HD 7970 vs Radeon HD 7970 GHz Edition

Radeon HD 7970 GHz Edition Performance113%

Radeon HD 7970 GHz Edition is 13% faster than AMD Radeon HD 7970

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AMD Radeon HD 7970 vs GeForce GTX 590

GeForce GTX 590 Performance113%

GeForce GTX 590 is 13% faster than AMD Radeon HD 7970

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AMD Radeon HD 7970 vs Radeon R9 280X

Radeon R9 280X Performance111%

Radeon R9 280X is 11% faster than AMD Radeon HD 7970

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AMD Radeon HD 7970 vs Radeon HD 6990

Radeon HD 6990 Performance109%

Radeon HD 6990 is 9% faster than AMD Radeon HD 7970

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AMD Radeon HD 7970 vs GeForce GTX 1050 Ti

GeForce GTX 1050 Ti Performance103%

GeForce GTX 1050 Ti is 3% faster than AMD Radeon HD 7970

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AMD Radeon HD 7970 vs GeForce GTX 680

GeForce GTX 680 Performance101%

GeForce GTX 680 is 1% faster than AMD Radeon HD 7970

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