GPU Comparison
RADEON
AMD Radeon HD 7970
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
GeForce GTX 580
CORE STATE
GF110
VRAM
1536 MB
CLOCK SPEED
—
TDP
244 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
GTX 580
Core Specs
Shading Units
2,048
512
-75.0%
Shaders
2,048
512
-75.0%
TMUs
128
64
-50.0%
ROPs
32
48
+50.0%
Compute Units
32
—
SM Count
—
16
Clocks
GPU Clock
925 MHz
772 MHz
Shader Clock
—
1544 MHz
Memory Clock
1375 MHz
5.5 Gbps effective
1002 MHz
4 Gbps effective
Memory
Memory Size
3 GB
1536 MB
VRAM (MB)
3,072
1,536
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
384 bit
Bandwidth
264.0 GB/s
192.4 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
768 KB
768 KB
Performance
Pixel Rate
29.60 GPixel/s
24.70 GPixel/s
Texture Rate
118.4 GTexel/s
49.41 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
1.581 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
197.6 GFLOPS (1:8)
Power
TDP
250 W
244 W
TDP (W)
250
244
-2.4%
Suggested PSU
600 W
550 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Fermi 2.0
GPU Name
Tahiti
GF110
Generation
Southern Islands
(HD 7900)
GeForce 500
Process Size
28 nm
40 nm
Transistors
4,313 million
3,000 million
Die Size
352 mm²
520 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
5.8M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
—
OpenCL
2.1 (1.2)
1.1
CUDA
—
2.0
Shader Model
6.5 (5.1)
5.1
Physical
Slot Width
Dual-slot
Dual-slot
Length
275 mm
10.8 inches
267 mm
10.5 inches
Height
111 mm
4.4 inches
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x mini-HDMI 1.3a
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
549 USD
499 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GeForce 400
Successor
Sea Islands
GeForce 600