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
RADEON
Radeon R7 M440
CORE STATE
Meso
VRAM
4 GB
CLOCK SPEED
—
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
R7 M440
Core Specs
Shading Units
960
320
-66.7%
Shaders
960
320
-66.7%
TMUs
48
20
-58.3%
ROPs
32
8
-75.0%
Compute Units
12
5
-58.3%
Clocks
GPU Clock
800 MHz
891 MHz
Memory Clock
1050 MHz
4.2 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
DDR3
Memory Bus
256 bit
64 bit
Bandwidth
134.4 GB/s
14.40 GB/s
Cache
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
128 KB
Performance
Pixel Rate
25.60 GPixel/s
7.128 GPixel/s
Texture Rate
38.40 GTexel/s
17.82 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
570.2 GFLOPS
FP64 (TFLOPS)
—
35.64 GFLOPS (1:16)
FP16 (TFLOPS)
—
570.2 GFLOPS (1:1)
Power
TDP
254 W
—
TDP (W)
254
—
Suggested PSU
600 W
—
Power Connectors
2x 8-pin
—
Architecture
Architecture
TeraScale 2
GCN 3.0
GPU Name
Barts
Meso
Generation
Northern Islands
(HD 6800)
Gem System
(R7 M400)
Process Size
40 nm
28 nm
Transistors
1,700 million
1,550 million
Die Size
255 mm²
125 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
12.4M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
Vulkan
—
1.2.170
OpenCL
1.2
2.1
Shader Model
5.0
6.5
Physical
Slot Width
Dual-slot
IGP
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Portable Device Dependent
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
Solar System
Successor
Southern Islands
Polaris Mobile