AMD Radeon RX 7900 XT vs AMD Radeon HD 6850 X2
GPU Specs Compare
Graphics Card
Release Date
Nov 2022
Sep 2011
Generation
Navi III
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1387 MHz
-
Boost Clock
2394 MHz
-
Memory Clock
2500 MHz
1050 MHz
Memory
Memory Size
20GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
320bit
256bit
Bandwidth
800.0GB/s
134.4GB/s
Render Config
Compute Units
84
12
Shading Units
5376
960
TMUs
336
48
ROPs
192
32
RT Cores
84
-
L1 Cache
256 KB per Array
8 KB (per CU)
L2 Cache
6 MB
512 KB
L3 Cache
80 MB
-
Theoretical Performance
Pixel Rate
459.6 GPixel/s
25.60 GPixel/s
Texture Rate
804.4 GTexel/s
38.40 GTexel/s
FP16 (half)
103.0 TFLOPS
-
FP32 (float)
51.48 TFLOPS
1.536 TFLOPS
FP64 (double)
1.609 TFLOPS
-
Graphics Processor
GPU Name
Navi 31
Barts
GPU Variant
Navi 31 XT(215-145000156)
Barts PRO(215-0798006)
Architecture
RDNA 3.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
57.7 billion
1.7 billion
Die Size
529 mm²
255 mm²
Board Design
TDP
300W
254W
Suggested PSU
700 W
600 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.2
1.2
Vulkan
1.3
N/A
Shader Model
6.8
5.0
📊 Benchmark
3DMark Time Spy
26,829
-
3DMark Time Spy Extreme
13,130
-
3DMark Speed Way
5,364
-