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
Tesla T4
CORE STATE
TU104
VRAM
16 GB
CLOCK SPEED
1590 MHz
TDP
70 W
BUS WIDTH
256 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
Tesla T4
Core Specs
Shading Units
960
2,560
+166.7%
Shaders
960
2,560
+166.7%
TMUs
48
160
+233.3%
ROPs
32
64
+100.0%
Compute Units
12
—
SM Count
—
40
Clocks
Base Clock
—
585 MHz
Boost Clock
—
1590 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
256 bit
Bandwidth
134.4 GB/s
320.0 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
25.60 GPixel/s
101.8 GPixel/s
Texture Rate
38.40 GTexel/s
254.4 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
8.141 TFLOPS
FP64 (TFLOPS)
—
254.4 GFLOPS (1:32)
FP16 (TFLOPS)
—
65.13 TFLOPS (8:1)
AI/RT
RT Cores
—
40
Tensor Cores
—
320
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
Turing
GPU Name
Barts
TU104
Generation
Northern Islands
(HD 6800)
Tesla Turing
(Txx)
Process Size
40 nm
12 nm
Transistors
1,700 million
13,600 million
Die Size
255 mm²
545 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
25.0M / 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
—
7.5
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
—
168 mm
6.6 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
Tesla Volta
Successor
Southern Islands
Server Ampere