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
L40S
CORE STATE
AD102
VRAM
48 GB
CLOCK SPEED
2520 MHz
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
L40S
Core Specs
Shading Units
960
18,176
+1793.3%
Shaders
960
18,176
+1793.3%
TMUs
48
568
+1083.3%
ROPs
32
192
+500.0%
Compute Units
12
—
SM Count
—
142
Clocks
Base Clock
—
1110 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
48 MB
Performance
Pixel Rate
25.60 GPixel/s
483.8 GPixel/s
Texture Rate
38.40 GTexel/s
1,431.4 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
91.61 TFLOPS
FP64 (TFLOPS)
—
1,431.4 GFLOPS (1:64)
FP16 (TFLOPS)
—
91.61 TFLOPS (1:1)
AI/RT
RT Cores
—
142
Tensor Cores
—
568
Power
TDP
254 W
300 W
TDP (W)
254
300
+18.1%
Suggested PSU
600 W
700 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
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
Server Ampere
Successor
Southern Islands
Server Hopper