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
Tesla M4
CORE STATE
GM206
VRAM
4 GB
CLOCK SPEED
1072 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
Tesla M4
Core Specs
Shading Units
2,048
1,024
-50.0%
Shaders
2,048
1,024
-50.0%
TMUs
128
64
-50.0%
ROPs
32
32
0.0%
Compute Units
32
—
Clocks
Base Clock
—
872 MHz
Boost Clock
—
1072 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1375 MHz
5.5 Gbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
128 bit
Bandwidth
264.0 GB/s
88.00 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
768 KB
1024 KB
Performance
Pixel Rate
29.60 GPixel/s
34.30 GPixel/s
Texture Rate
118.4 GTexel/s
68.61 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
2.195 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
68.61 GFLOPS (1:32)
Power
TDP
250 W
50 W
TDP (W)
250
50
-80.0%
Suggested PSU
600 W
250 W
Power Connectors
1x 6-pin + 1x 8-pin
—
Architecture
Architecture
GCN 1.0
Maxwell 2.0
GPU Name
Tahiti
GM206
Generation
Southern Islands
(HD 7900)
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
4,313 million
2,940 million
Die Size
352 mm²
228 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.9M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
275 mm
10.8 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Tesla Kepler
Successor
Sea Islands
Tesla Pascal