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
GPU
Iris Pro Graphics P6300
CORE STATE
Broadwell GT3e
VRAM
System Shared
CLOCK SPEED
800 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 8.0
PROCESS
14 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
Iris Pro Graphics P6300
Core Specs
Shading Units
1,408
384
-72.7%
Shaders
1,408
384
-72.7%
TMUs
88
48
-45.5%
ROPs
32
6
-81.3%
Compute Units
22
—
Execution Units
—
48
Clocks
Base Clock
—
300 MHz
Boost Clock
—
800 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
System Shared
Memory
Memory Size
2 GB
System Shared
VRAM (MB)
2,048
—
Memory Type
GDDR5
System Shared
Memory Bus
256 bit
System Shared
Bandwidth
160.0 GB/s
System Dependent
Cache
L1 Cache
8 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
25.60 GPixel/s
4.800 GPixel/s
Texture Rate
70.40 GTexel/s
38.40 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
614.4 GFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
153.6 GFLOPS (1:4)
Power
TDP
200 W
15 W
TDP (W)
200
15
-92.5%
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
—
Architecture
Architecture
TeraScale 3
Generation 8.0
GPU Name
Cayman
Broadwell GT3e
Generation
Northern Islands
(HD 6900)
HD Graphics-W
(Broadwell)
Process Size
40 nm
14 nm
Transistors
2,640 million
—
Die Size
389 mm²
—
Foundry
TSMC
Intel
Density
6.8M / mm²
—
API Support
DirectX
11.2 (11_0)
12 (11_1)
OpenGL
4.4
4.4
Vulkan
—
1.0
OpenCL
1.2
3.0
Shader Model
5.0
5.1
Physical
Slot Width
Dual-slot
IGP
Length
286 mm
11.3 inches
—
Height
126 mm
5 inches
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Motherboard Dependent
Bus Interface
PCIe 2.0 x16
Ring Bus
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
—
Successor
Southern Islands
—