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
L20
CORE STATE
AD102
VRAM
48 GB
CLOCK SPEED
2520 MHz
TDP
275 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
L20
Core Specs
Shading Units
960
11,776
+1126.7%
Shaders
960
11,776
+1126.7%
TMUs
48
368
+666.7%
ROPs
32
128
+300.0%
Compute Units
12
—
SM Count
—
92
Clocks
Base Clock
—
1440 MHz
Boost Clock
—
2520 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
48 GB
VRAM (MB)
2,048
49,152
+2300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
384 bit
Bandwidth
134.4 GB/s
864.0 GB/s
Cache
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
96 MB
Performance
Pixel Rate
25.60 GPixel/s
322.6 GPixel/s
Texture Rate
38.40 GTexel/s
927.4 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
59.35 TFLOPS
FP64 (TFLOPS)
—
927.4 GFLOPS (1:64)
FP16 (TFLOPS)
—
59.35 TFLOPS (1:1)
AI/RT
RT Cores
—
92
Tensor Cores
—
368
Power
TDP
254 W
275 W
TDP (W)
254
275
+8.3%
Suggested PSU
600 W
600 W
Power Connectors
2x 8-pin
1x 16-pin
Architecture
Architecture
TeraScale 2
Ada Lovelace
GPU Name
Barts
AD102
Generation
Northern Islands
(HD 6800)
Server Ada
(Lxx)
Process Size
40 nm
5 nm
Transistors
1,700 million
76,300 million
Die Size
255 mm²
609 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
125.3M / 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
—
8.9
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
4x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
Evergreen
Server Ampere
Successor
Southern Islands
Server Hopper