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
RADEON
Radeon R9 M265X
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
625 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
R9 M265X
Core Specs
Shading Units
1,408
640
-54.5%
Shaders
1,408
640
-54.5%
TMUs
88
40
-54.5%
ROPs
32
16
-50.0%
Compute Units
22
10
-54.5%
Clocks
Base Clock
—
575 MHz
Boost Clock
—
625 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1000 MHz
4 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
128 bit
Bandwidth
160.0 GB/s
64.00 GB/s
Cache
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Performance
Pixel Rate
25.60 GPixel/s
10.00 GPixel/s
Texture Rate
70.40 GTexel/s
25.00 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
800.0 GFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
50.00 GFLOPS (1:16)
Power
TDP
200 W
—
TDP (W)
200
—
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
—
Architecture
Architecture
TeraScale 3
GCN 1.0
GPU Name
Cayman
Venus
Generation
Northern Islands
(HD 6900)
Gem System
(R9 M200)
Process Size
40 nm
28 nm
Transistors
2,640 million
1,500 million
Die Size
389 mm²
123 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
12.2M / mm²
API Support
DirectX
11.2 (11_0)
12 (11_1)
OpenGL
4.4
4.6
Vulkan
—
1.2.170
OpenCL
1.2
2.1 (1.2)
Shader Model
5.0
6.5 (5.1)
Physical
Slot Width
Dual-slot
—
Length
286 mm
11.3 inches
—
Height
126 mm
5 inches
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
—
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
Solar System
Successor
Southern Islands
Polaris Mobile