AMD Radeon HD 7970 vs NVIDIA GeForce RTX 4080
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Sep 2022
Generation
Southern Islands
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1375 MHz
1400 MHz
Base Clock
-
2205 MHz
Boost Clock
-
2505 MHz
Memory
Memory Size
3GB
16GB
Memory Type
GDDR5
GDDR6X
Memory Bus
384bit
256bit
Bandwidth
264.0GB/s
716.8GB/s
Render Config
Compute Units
32
-
Shading Units
2048
9728
TMUs
128
304
ROPs
32
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
64 MB
SM Count
-
76
Tensor Cores
-
304
RT Cores
-
76
Theoretical Performance
Pixel Rate
29.60 GPixel/s
280.6 GPixel/s
Texture Rate
118.4 GTexel/s
761.5 GTexel/s
FP32 (float)
3.789 TFLOPS
48.74 TFLOPS
FP64 (double)
947.2 GFLOPS
761.5 GFLOPS
FP16 (half)
-
48.74 TFLOPS
Graphics Processor
GPU Name
Tahiti
AD103
GPU Variant
Tahiti XT(215-0821060)
AD103-300-A1
Architecture
GCN 1.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
45.9 billion
Die Size
352 mm²
379 mm²
Board Design
TDP
250W
320W
Suggested PSU
600 W
700 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
1x 16-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
3.0
Vulkan
1.2.170
1.3
Shader Model
6.5 (5.1)
6.7
CUDA
-
8.9
📊 Benchmark
3DMark Time Spy
2,310
28,173
3DMark Time Spy Extreme
1,209
14,002