GPU Comparison
RADEON
AMD Radeon HD 6950
CORE STATE
Cayman
VRAM
2 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale 3
PROCESS
40 nm
LAUNCH DATE
2010
VS
GEFORCE
GeForce GTX 880M
CORE STATE
GK104
VRAM
8 GB
CLOCK SPEED
993 MHz
TDP
122 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
GTX 880M
Core Specs
Shading Units
1,408
1,536
+9.1%
Shaders
1,408
1,536
+9.1%
TMUs
88
128
+45.5%
ROPs
32
32
0.0%
Compute Units
22
—
Clocks
Base Clock
—
954 MHz
Boost Clock
—
993 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
256 bit
Bandwidth
160.0 GB/s
160.0 GB/s
Cache
L1 Cache
8 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
25.60 GPixel/s
31.78 GPixel/s
Texture Rate
70.40 GTexel/s
127.1 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
3.050 TFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
127.1 GFLOPS (1:24)
Power
TDP
200 W
122 W
TDP (W)
200
122
-39.0%
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
TeraScale 3
Kepler
GPU Name
Cayman
GK104
Generation
Northern Islands
(HD 6900)
GeForce 800M
Process Size
40 nm
28 nm
Transistors
2,640 million
3,540 million
Die Size
389 mm²
294 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
12.0M / mm²
API Support
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
Vulkan
—
1.2.175
OpenCL
1.2
3.0
CUDA
—
3.0
Shader Model
5.0
6.5 (5.1)
Physical
Slot Width
Dual-slot
MXM Module
Length
286 mm
11.3 inches
—
Height
126 mm
5 inches
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
GeForce 700M
Successor
Southern Islands
GeForce 900M