AMD Radeon HD 7970 vs AMD Radeon R9 290X2
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Jun 2014
Generation
Southern Islands
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1375 MHz
1350 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
512bit
Bandwidth
264.0GB/s
345.6GB/s
Render Config
Compute Units
32
44
Shading Units
2048
2816
TMUs
128
176
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
1024 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
64.00 GPixel/s
Texture Rate
118.4 GTexel/s
176.0 GTexel/s
FP32 (float)
3.789 TFLOPS
5.632 TFLOPS
FP64 (double)
947.2 GFLOPS
704.0 GFLOPS
Graphics Processor
GPU Name
Tahiti
Hawaii
GPU Variant
Tahiti XT(215-0821060)
Hawaii XT(215-0852000)
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
6.2 billion
Die Size
352 mm²
438 mm²
Board Design
TDP
250W
580W
Suggested PSU
600 W
950 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
4x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
2.0
Vulkan
1.2.170
1.2
Shader Model
6.5 (5.1)
6.3
📊 Benchmark
3DMark Time Spy
2,310
-
3DMark Time Spy Extreme
1,209
-