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
GPU
Iris Xe MAX Graphics
CORE STATE
DG1
VRAM
4 GB
CLOCK SPEED
1650 MHz
TDP
25 W
BUS WIDTH
128 bit
ARCHITECTURE
Generation 12.1
PROCESS
10 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
Iris Xe MAX Graphics
Core Specs
Shading Units
960
768
-20.0%
Shaders
960
768
-20.0%
TMUs
48
48
0.0%
ROPs
32
24
-25.0%
Compute Units
12
—
Execution Units
—
96
Clocks
Base Clock
—
300 MHz
Boost Clock
—
1650 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
2133 MHz
4.3 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
LPDDR4X
Memory Bus
256 bit
128 bit
Bandwidth
134.4 GB/s
68.26 GB/s
Cache
L1 Cache
8 KB (per CU)
—
L2 Cache
512 KB
1024 KB
L3 Cache
—
16 MB
Performance
Pixel Rate
25.60 GPixel/s
39.60 GPixel/s
Texture Rate
38.40 GTexel/s
79.20 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
2.534 TFLOPS
FP64 (TFLOPS)
—
633.6 GFLOPS (1:4)
FP16 (TFLOPS)
—
5.069 TFLOPS (2:1)
Power
TDP
254 W
25 W
TDP (W)
254
25
-90.2%
Suggested PSU
600 W
200 W
Power Connectors
2x 8-pin
—
Architecture
Architecture
TeraScale 2
Generation 12.1
GPU Name
Barts
DG1
Generation
Northern Islands
(HD 6800)
Xe Graphics
Process Size
40 nm
10 nm
Transistors
1,700 million
—
Die Size
255 mm²
95 mm²
Foundry
TSMC
Intel
Density
6.7M / mm²
—
API Support
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
Shader Model
5.0
6.6
Physical
Slot Width
Dual-slot
IGP
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
Graphics
Successor
Southern Islands
Alchemist