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 Vega 3
CORE STATE
Picasso
VRAM
System Shared
CLOCK SPEED
1100 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 5.0
PROCESS
12 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
Vega 3
Core Specs
Shading Units
960
192
-80.0%
Shaders
960
192
-80.0%
TMUs
48
12
-75.0%
ROPs
32
4
-87.5%
Compute Units
12
3
-75.0%
Clocks
Base Clock
—
300 MHz
Boost Clock
—
1100 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
System Shared
Memory
Memory Size
2 GB
System Shared
VRAM (MB)
2,048
—
Memory Type
GDDR5
System Shared
Memory Bus
256 bit
System Shared
Bandwidth
134.4 GB/s
System Dependent
Cache
L1 Cache
8 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
25.60 GPixel/s
4.400 GPixel/s
Texture Rate
38.40 GTexel/s
13.20 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
422.4 GFLOPS
FP64 (TFLOPS)
—
26.40 GFLOPS (1:16)
FP16 (TFLOPS)
—
844.8 GFLOPS (2:1)
Power
TDP
254 W
15 W
TDP (W)
254
15
-94.1%
Suggested PSU
600 W
—
Power Connectors
2x 8-pin
None
Architecture
Architecture
TeraScale 2
GCN 5.0
GPU Name
Barts
Picasso
Generation
Northern Islands
(HD 6800)
Vega IGP
(Picasso)
Process Size
40 nm
12 nm
Transistors
1,700 million
4,940 million
Die Size
255 mm²
210 mm²
Foundry
TSMC
GlobalFoundries
Density
6.7M / mm²
23.5M / 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
IGP
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Motherboard Dependent
Bus Interface
PCIe 2.0 x16
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
GCN 3.0 IGP
Successor
Southern Islands
Vega II IGP