GPU Comparison
RADEON
AMD Radeon HD 6850 X2
CORE STATE
Barts
VRAM
2 GB
CLOCK SPEED
—
TDP
254 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale 2
PROCESS
40 nm
LAUNCH DATE
2011
VS
RADEON
Radeon Pro VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1700 MHz
TDP
250 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
Pro VII
Core Specs
Shading Units
960
3,840
+300.0%
Shaders
960
3,840
+300.0%
TMUs
48
240
+400.0%
ROPs
32
64
+100.0%
Compute Units
12
60
+400.0%
Clocks
Base Clock
—
1400 MHz
Boost Clock
—
1700 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
HBM2
Memory Bus
256 bit
4096 bit
Bandwidth
134.4 GB/s
1.02 TB/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
108.8 GPixel/s
Texture Rate
38.40 GTexel/s
408.0 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
13.06 TFLOPS
FP64 (TFLOPS)
—
6.528 TFLOPS (1:2)
FP16 (TFLOPS)
—
26.11 TFLOPS (2:1)
Power
TDP
254 W
250 W
TDP (W)
254
250
-1.6%
Suggested PSU
600 W
600 W
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
TeraScale 2
GCN 5.1
GPU Name
Barts
Vega 20
Generation
Northern Islands
(HD 6800)
Radeon Pro Vega
(Vega II Series)
Process Size
40 nm
7 nm
Transistors
1,700 million
13,230 million
Die Size
255 mm²
331 mm²
Foundry
TSMC
TSMC
Density
6.7M / 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
Dual-slot
Length
—
305 mm
12 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
6x mini-DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Other
Launch Price
—
1,899 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Radeon Pro Polaris
Successor
Southern Islands
Radeon Pro Navi