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 Vega 64
CORE STATE
Vega 10
VRAM
8 GB
CLOCK SPEED
1546 MHz
TDP
295 W
BUS WIDTH
2048 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
RX Vega 64
Core Specs
Shading Units
1,408
4,096
+190.9%
Shaders
1,408
4,096
+190.9%
TMUs
88
256
+190.9%
ROPs
32
64
+100.0%
Compute Units
22
64
+190.9%
Clocks
Base Clock
—
1247 MHz
Boost Clock
—
1546 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
945 MHz
1890 Mbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
HBM2
Memory Bus
256 bit
2048 bit
Bandwidth
160.0 GB/s
483.8 GB/s
Cache
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
25.60 GPixel/s
98.94 GPixel/s
Texture Rate
70.40 GTexel/s
395.8 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
12.66 TFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
791.6 GFLOPS (1:16)
FP16 (TFLOPS)
—
25.33 TFLOPS (2:1)
Power
TDP
200 W
295 W
TDP (W)
200
295
+47.5%
Suggested PSU
550 W
600 W
Power Connectors
2x 6-pin
2x 8-pin
Architecture
Architecture
TeraScale 3
GCN 5.0
GPU Name
Cayman
Vega 10
Generation
Northern Islands
(HD 6900)
Vega
(RX Vega)
Process Size
40 nm
14 nm
Transistors
2,640 million
12,500 million
Die Size
389 mm²
495 mm²
Foundry
TSMC
GlobalFoundries
Density
6.8M / mm²
25.3M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_1)
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
280 mm
11 inches
Height
126 mm
5 inches
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
299 USD
499 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Polaris
Successor
Southern Islands
Navi