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 A2000
CORE STATE
GA106
VRAM
6 GB
CLOCK SPEED
1200 MHz
TDP
70 W
BUS WIDTH
192 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
RTX A2000
Core Specs
Shading Units
960
3,328
+246.7%
Shaders
960
3,328
+246.7%
TMUs
48
104
+116.7%
ROPs
32
48
+50.0%
Compute Units
12
—
SM Count
—
26
Clocks
Base Clock
—
562 MHz
Boost Clock
—
1200 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1500 MHz
12 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
288.0 GB/s
Cache
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
3 MB
Performance
Pixel Rate
25.60 GPixel/s
57.60 GPixel/s
Texture Rate
38.40 GTexel/s
124.8 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
7.987 TFLOPS
FP64 (TFLOPS)
—
124.8 GFLOPS (1:64)
FP16 (TFLOPS)
—
7.987 TFLOPS (1:1)
AI/RT
RT Cores
—
26
Tensor Cores
—
104
Power
TDP
254 W
70 W
TDP (W)
254
70
-72.4%
Suggested PSU
600 W
250 W
Power Connectors
2x 8-pin
None
Architecture
Architecture
TeraScale 2
Ampere
GPU Name
Barts
GA106
Generation
Northern Islands
(HD 6800)
Workstation Ampere
(Ax000)
Process Size
40 nm
8 nm
Transistors
1,700 million
12,000 million
Die Size
255 mm²
276 mm²
Foundry
TSMC
Samsung
Density
6.7M / mm²
43.5M / 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
Dual-slot
Length
—
167 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Other
Launch Price
—
449 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Quadro Turing
Successor
Southern Islands
Workstation Ada