AMD Radeon HD 7970 vs ATI Radeon HD 5970
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Nov 2009
Generation
Southern Islands
Evergreen
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1375 MHz
1000 MHz
Memory
Memory Size
3GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
264.0GB/s
128.0GB/s
Render Config
Compute Units
32
20
Shading Units
2048
1600
TMUs
128
80
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
23.20 GPixel/s
Texture Rate
118.4 GTexel/s
58.00 GTexel/s
FP32 (float)
3.789 TFLOPS
2.320 TFLOPS
FP64 (double)
947.2 GFLOPS
464.0 GFLOPS
Graphics Processor
GPU Name
Tahiti
Hemlock
GPU Variant
Tahiti XT(215-0821060)
Hemlock XT(215-0735075)
Architecture
GCN 1.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
4.313 billion
2.154 billion
Die Size
352 mm²
334 mm²
Board Design
TDP
250W
294W
Suggested PSU
600 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x mini-DisplayPort 1.1
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1 (1.2)
1.2
Vulkan
1.2.170
N/A
Shader Model
6.5 (5.1)
5.0
📊 Benchmark
3DMark Time Spy
2,310
-
3DMark Time Spy Extreme
1,209
-