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 GT 735M
CORE STATE
GK208
VRAM
2 GB
CLOCK SPEED
628 MHz
TDP
33 W
BUS WIDTH
64 bit
ARCHITECTURE
Kepler 2.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
GT 735M
Core Specs
Shading Units
1,792
384
-78.6%
Shaders
1,792
384
-78.6%
TMUs
112
32
-71.4%
ROPs
32
8
-75.0%
Compute Units
28
—
Clocks
Base Clock
—
575 MHz
Boost Clock
—
628 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
3 GB
2 GB
VRAM (MB)
3,072
2,048
-33.3%
Memory Type
GDDR5
DDR3
Memory Bus
384 bit
64 bit
Bandwidth
240.0 GB/s
14.40 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
512 KB
Performance
Pixel Rate
25.60 GPixel/s
5.024 GPixel/s
Texture Rate
89.60 GTexel/s
20.10 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
482.3 GFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
20.10 GFLOPS (1:24)
Power
TDP
200 W
33 W
TDP (W)
200
33
-83.5%
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
Kepler 2.0
GPU Name
Tahiti
GK208
Generation
Southern Islands
(HD 7900)
GeForce 700M
Process Size
28 nm
28 nm
Transistors
4,313 million
1,020 million
Die Size
352 mm²
87 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
11.7M / 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
—
3.5
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Dual-slot
IGP
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 x8
Other
Launch Price
449 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GeForce 600M
Successor
Sea Islands
GeForce 800M