GPU Comparison

AMD
RADEON

AMD Radeon HD 6850 X2

CORE STATE Barts
VRAM 2 GB
CLOCK SPEED
TDP 254 W
BUS WIDTH 256 bit
ARCHITECTURE TeraScale 2
nm
PROCESS 40 nm
LAUNCH DATE 2011
VS
NVIDIA
GEFORCE

GeForce GT 545

CORE STATE GF116
VRAM 1536 MB
CLOCK SPEED
TDP 70 W
BUS WIDTH 192 bit
ARCHITECTURE Fermi 2.0
nm
PROCESS 40 nm
LAUNCH DATE 2011

PERFORMANCE BENCHMARKS

geekbench_opencl
3,977
3,643

DETAILED SPECIFICATIONS

SPECIFICATION
HD 6850 X2
GT 545
Core Specs
Shading Units
960
144 -85.0%
Shaders
960
144 -85.0%
TMUs
48
24 -50.0%
ROPs
32
16 -50.0%
Compute Units
12
SM Count
3
Clocks
GPU Clock
800 MHz
720 MHz
Shader Clock
1440 MHz
Memory Clock
1050 MHz 4.2 Gbps effective
800 MHz 1600 Mbps effective
Memory
Memory Size
2 GB
1536 MB
VRAM (MB)
2,048
1,536 -25.0%
Memory Type
GDDR5
DDR3
Memory Bus
256 bit
192 bit
Bandwidth
134.4 GB/s
38.40 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
384 KB
Performance
Pixel Rate
25.60 GPixel/s
4.320 GPixel/s
Texture Rate
38.40 GTexel/s
17.28 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
414.7 GFLOPS
FP64 (TFLOPS)
34.56 GFLOPS (1:12)
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
Fermi 2.0
GPU Name
Barts
GF116
Generation
Northern Islands (HD 6800)
GeForce 500
Process Size
40 nm
40 nm
Transistors
1,700 million
1,170 million
Die Size
255 mm²
238 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
4.9M / mm²
API Support
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
OpenCL
1.2
1.1
CUDA
2.1
Shader Model
5.0
5.1
Physical
Slot Width
Dual-slot
Single-slot
Length
145 mm 5.7 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x DVI1x HDMI 1.3a1x VGA
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Other
Launch Price
149 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
GeForce 400
Successor
Southern Islands
GeForce 600
View Radeon HD 6850 X2 Details View GeForce GT 545 Details