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GPU Comparison
AMD Radeon RX 7700 vs AMD Radeon HD 7970
AMD Radeon RX 7700 vs AMD Radeon HD 7970
VS
AMD Radeon RX 7700
AMD Radeon HD 7970
We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7700 's Advantages
Released 11 years and 1 months late
Boost Clock2600MHz
More VRAM (12GB vs 3GB)
Larger VRAM bandwidth (432.0GB/s vs 264.0GB/s)
1024 additional rendering cores
Lower TDP (200W vs 250W)
Score
Benchmark
FP32 (float)
Radeon RX 7700
+743%
31.95 TFLOPS
Radeon HD 7970
3.789 TFLOPS
Radeon RX 7700
VS
Radeon HD 7970
Graphics Card
Jan 2023
Release Date
Dec 2011
Navi III
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1900 MHz
Base Clock
-
2600 MHz
Boost Clock
-
2250 MHz
Memory Clock
1375 MHz
Memory
12GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
384bit
432.0GB/s
Bandwidth
264.0GB/s
Render Config
-
SM Count
-
48
Compute Units
32
3072
Shading Units
2048
192
TMUs
128
96
ROPs
32
-
Tensor Cores
-
48
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
768 KB
Theoretical Performance
249.6 GPixel/s
Pixel Rate
29.60 GPixel/s
499.2 GTexel/s
Texture Rate
118.4 GTexel/s
63.90 TFLOPS
FP16 (half)
-
31.95 TFLOPS
FP32 (float)
3.789 TFLOPS
998.4 GFLOPS
FP64 (double)
947.2 GFLOPS
Graphics Processor
Navi 32
GPU Name
Tahiti
Navi 32
GPU Variant
Tahiti XT (215-0821060)
RDNA 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
Unknown
Transistors
4.313 billion
346 mm²
Die Size
352 mm²
Board Design
200W
TDP
250W
550 W
Suggested PSU
600 W
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.2
OpenCL
1.2
1.3
Vulkan
1.2
-
CUDA
-
6.7
Shader Model
5.1
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