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 Pro Vega II
CORE STATE
Vega 20
VRAM
32 GB
CLOCK SPEED
1720 MHz
TDP
475 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
Pro Vega II
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
—
1574 MHz
Boost Clock
—
1720 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
806 MHz
1612 Mbps effective
Memory
Memory Size
2 GB
32 GB
VRAM (MB)
2,048
32,768
+1500.0%
Memory Type
GDDR5
HBM2
Memory Bus
256 bit
4096 bit
Bandwidth
160.0 GB/s
825.3 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
110.1 GPixel/s
Texture Rate
70.40 GTexel/s
440.3 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
14.09 TFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
7.045 TFLOPS (1:2)
FP16 (TFLOPS)
—
28.18 TFLOPS (2:1)
Power
TDP
200 W
475 W
TDP (W)
200
475
+137.5%
Suggested PSU
550 W
850 W
Power Connectors
2x 6-pin
—
Architecture
Architecture
TeraScale 3
GCN 5.1
GPU Name
Cayman
Vega 20
Generation
Northern Islands
(HD 6900)
Radeon Pro Mac
(Vega Series)
Process Size
40 nm
7 nm
Transistors
2,640 million
13,230 million
Die Size
389 mm²
331 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
40.0M / 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
Quad-slot
Length
286 mm
11.3 inches
—
Height
126 mm
5 inches
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.0b4x Thunderbolt
Bus Interface
PCIe 2.0 x16
Apple MPX
Other
Launch Price
299 USD
2,199 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
—
Successor
Southern Islands
—