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
GeForce GTX 670MX
CORE STATE
GK104
VRAM
3 GB
CLOCK SPEED
601 MHz
TDP
75 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
GTX 670MX
Core Specs
Shading Units
1,792
960
-46.4%
Shaders
1,792
960
-46.4%
TMUs
112
80
-28.6%
ROPs
32
24
-25.0%
Compute Units
28
—
Clocks
Base Clock
—
601 MHz
Boost Clock
—
601 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
700 MHz
2.8 Gbps effective
Memory
Memory Size
3 GB
3 GB
VRAM (MB)
3,072
3,072
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
192 bit
Bandwidth
240.0 GB/s
67.20 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
384 KB
Performance
Pixel Rate
25.60 GPixel/s
12.02 GPixel/s
Texture Rate
89.60 GTexel/s
48.08 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
1,153.9 GFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
48.08 GFLOPS (1:24)
Power
TDP
200 W
75 W
TDP (W)
200
75
-62.5%
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Tahiti
GK104
Generation
Southern Islands
(HD 7900)
GeForce 600M
Process Size
28 nm
28 nm
Transistors
4,313 million
3,540 million
Die Size
352 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.0M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Dual-slot
—
Length
278 mm
10.9 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
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
GeForce 500M
Successor
Sea Islands
GeForce 700M