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 R7 240
CORE STATE
Oland
VRAM
2 GB
CLOCK SPEED
780 MHz
TDP
30 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
R7 240
Core Specs
Shading Units
1,408
320
-77.3%
Shaders
1,408
320
-77.3%
TMUs
88
20
-77.3%
ROPs
32
8
-75.0%
Compute Units
22
5
-77.3%
Clocks
Base Clock
—
730 MHz
Boost Clock
—
780 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
256 bit
128 bit
Bandwidth
160.0 GB/s
28.80 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
6.240 GPixel/s
Texture Rate
70.40 GTexel/s
15.60 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
499.2 GFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
—
Power
TDP
200 W
30 W
TDP (W)
200
30
-85.0%
Suggested PSU
550 W
200 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
TeraScale 3
GCN 1.0
GPU Name
Cayman
Oland
Generation
Northern Islands
(HD 6900)
Volcanic Islands
(R7 200)
Process Size
40 nm
28 nm
Transistors
2,640 million
950 million
Die Size
389 mm²
77 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
12.3M / 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
Single-slot
Length
286 mm
11.3 inches
168 mm
6.6 inches
Height
126 mm
5 inches
69 mm
2.7 inches
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 1.4a1x VGA
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x8
Other
Launch Price
299 USD
69 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Sea Islands
Successor
Southern Islands
Pirate Islands