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 Pro 5700 XT
CORE STATE
Navi 10
VRAM
16 GB
CLOCK SPEED
1499 MHz
TDP
130 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
Pro 5700 XT
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
40
+233.3%
Clocks
Base Clock
—
1243 MHz
Boost Clock
—
1499 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1500 MHz
12 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
384.0 GB/s
Cache
L1 Cache
8 KB (per CU)
—
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
25.60 GPixel/s
95.94 GPixel/s
Texture Rate
38.40 GTexel/s
239.8 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
7.675 TFLOPS
FP64 (TFLOPS)
—
479.7 GFLOPS (1:16)
FP16 (TFLOPS)
—
15.35 TFLOPS (2:1)
Power
TDP
254 W
130 W
TDP (W)
254
130
-48.8%
Suggested PSU
600 W
300 W
Power Connectors
2x 8-pin
None
Architecture
Architecture
TeraScale 2
RDNA 1.0
GPU Name
Barts
Navi 10
Generation
Northern Islands
(HD 6800)
Radeon Pro Mac
(Navi Series)
Process Size
40 nm
7 nm
Transistors
1,700 million
10,300 million
Die Size
255 mm²
251 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
41.0M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
2.1
Shader Model
5.0
6.8
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 x16
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
—
Successor
Southern Islands
—