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
RTX A3000 Mobile
CORE STATE
GA104
VRAM
6 GB
CLOCK SPEED
1230 MHz
TDP
70 W
BUS WIDTH
192 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
RTX A3000 Mobile
Core Specs
Shading Units
960
4,096
+326.7%
Shaders
960
4,096
+326.7%
TMUs
48
128
+166.7%
ROPs
32
64
+100.0%
Compute Units
12
—
SM Count
—
32
Clocks
Base Clock
—
600 MHz
Boost Clock
—
1230 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1375 MHz
11 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
264.0 GB/s
Cache
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
25.60 GPixel/s
78.72 GPixel/s
Texture Rate
38.40 GTexel/s
157.4 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
10.08 TFLOPS
FP64 (TFLOPS)
—
157.4 GFLOPS (1:64)
FP16 (TFLOPS)
—
10.08 TFLOPS (1:1)
AI/RT
RT Cores
—
32
Tensor Cores
—
128
Power
TDP
254 W
70 W
TDP (W)
254
70
-72.4%
Suggested PSU
600 W
—
Power Connectors
2x 8-pin
None
Architecture
Architecture
TeraScale 2
Ampere
GPU Name
Barts
GA104
Generation
Northern Islands
(HD 6800)
Ampere-MW
(Ax000)
Process Size
40 nm
8 nm
Transistors
1,700 million
17,400 million
Die Size
255 mm²
392 mm²
Foundry
TSMC
Samsung
Density
6.7M / mm²
44.4M / mm²
API Support
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
8.6
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
—
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Portable Device Dependent
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
Quadro Turing-M
Successor
Southern Islands
Ada-MW