GPU Comparison
RADEON
AMD Radeon HD 7950
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
200 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_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
Tesla M4
Core Specs
Shading Units
1,792
1,024
-42.9%
Shaders
1,792
1,024
-42.9%
TMUs
112
64
-42.9%
ROPs
32
32
0.0%
Compute Units
28
—
Clocks
Base Clock
—
872 MHz
Boost Clock
—
1072 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
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
240.0 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
25.60 GPixel/s
34.30 GPixel/s
Texture Rate
89.60 GTexel/s
68.61 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
2.195 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
68.61 GFLOPS (1:32)
Power
TDP
200 W
50 W
TDP (W)
200
50
-75.0%
Suggested PSU
550 W
250 W
Power Connectors
2x 6-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
278 mm
10.9 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
449 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Tesla Kepler
Successor
Sea Islands
Tesla Pascal