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 WX 3100
CORE STATE
Lexa
VRAM
4 GB
CLOCK SPEED
1219 MHz
TDP
65 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
Pro WX 3100
Core Specs
Shading Units
960
512
-46.7%
Shaders
960
512
-46.7%
TMUs
48
32
-33.3%
ROPs
32
16
-50.0%
Compute Units
12
8
-33.3%
Clocks
Base Clock
—
925 MHz
Boost Clock
—
1219 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1500 MHz
6 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
128 bit
Bandwidth
134.4 GB/s
96.00 GB/s
Cache
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
25.60 GPixel/s
19.50 GPixel/s
Texture Rate
38.40 GTexel/s
39.01 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
1,248.3 GFLOPS
FP64 (TFLOPS)
—
78.02 GFLOPS (1:16)
FP16 (TFLOPS)
—
1,248.3 GFLOPS (1:1)
Power
TDP
254 W
65 W
TDP (W)
254
65
-74.4%
Suggested PSU
600 W
250 W
Power Connectors
2x 8-pin
None
Architecture
Architecture
TeraScale 2
GCN 4.0
GPU Name
Barts
Lexa
Generation
Northern Islands
(HD 6800)
Radeon Pro Polaris
(WX x100)
Process Size
40 nm
14 nm
Transistors
1,700 million
2,200 million
Die Size
255 mm²
103 mm²
Foundry
TSMC
GlobalFoundries
Density
6.7M / mm²
21.4M / 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
Single-slot
Length
—
168 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x8
Other
Launch Price
—
199 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Radeon Pro GCN
Successor
Southern Islands
Radeon Pro Vega