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
GEFORCE
CMP 30HX
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1785 MHz
TDP
125 W
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
CMP 30HX
Core Specs
Shading Units
960
1,408
+46.7%
Shaders
960
1,408
+46.7%
TMUs
48
88
+83.3%
ROPs
32
48
+50.0%
Compute Units
12
—
SM Count
—
22
Clocks
Base Clock
—
1530 MHz
Boost Clock
—
1785 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
192 bit
Bandwidth
134.4 GB/s
336.0 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
1536 KB
Performance
Pixel Rate
25.60 GPixel/s
85.68 GPixel/s
Texture Rate
38.40 GTexel/s
157.1 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
5.027 TFLOPS
FP64 (TFLOPS)
—
157.1 GFLOPS (1:32)
FP16 (TFLOPS)
—
10.05 TFLOPS (2:1)
Power
TDP
254 W
125 W
TDP (W)
254
125
-50.8%
Suggested PSU
600 W
300 W
Power Connectors
2x 8-pin
1x 8-pin
Architecture
Architecture
TeraScale 2
Turing
GPU Name
Barts
TU116
Generation
Northern Islands
(HD 6800)
Mining GPUs
Process Size
40 nm
12 nm
Transistors
1,700 million
6,600 million
Die Size
255 mm²
284 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
23.2M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
7.5
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
—
229 mm
9 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 1.0 x4
Other
Launch Price
—
799 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
—
Successor
Southern Islands
—