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 RX 460
CORE STATE
Baffin
VRAM
2 GB
CLOCK SPEED
1200 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
RX 460
Core Specs
Shading Units
1,408
896
-36.4%
Shaders
1,408
896
-36.4%
TMUs
88
56
-36.4%
ROPs
32
16
-50.0%
Compute Units
22
14
-36.4%
Clocks
Base Clock
—
1090 MHz
Boost Clock
—
1200 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1750 MHz
7 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
112.0 GB/s
Cache
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
25.60 GPixel/s
19.20 GPixel/s
Texture Rate
70.40 GTexel/s
67.20 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
2.150 TFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
134.4 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.150 TFLOPS (1:1)
Power
TDP
200 W
75 W
TDP (W)
200
75
-62.5%
Suggested PSU
550 W
250 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
TeraScale 3
GCN 4.0
GPU Name
Cayman
Baffin
Generation
Northern Islands
(HD 6900)
Arctic Islands
(RX 400)
Process Size
40 nm
14 nm
Transistors
2,640 million
3,000 million
Die Size
389 mm²
123 mm²
Foundry
TSMC
GlobalFoundries
Density
6.8M / mm²
24.4M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
Vulkan
—
1.3
OpenCL
1.2
2.1
Shader Model
5.0
6.7
Physical
Slot Width
Dual-slot
Dual-slot
Length
286 mm
11.3 inches
170 mm
6.7 inches
Height
126 mm
5 inches
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x8
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
Pirate Islands
Successor
Southern Islands
Polaris