Radeon RX 6800 XT vs Radeon R7 250 OEM
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 2GB VRAM Radeon R7 250 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6800 XT 's Advantages
Released 7 years late
Boost Clock has increased by 114% (2250MHz vs 1050MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 32.00GB/s)
4224 additional rendering cores
Radeon R7 250 OEM 's Advantages
Lower TDP (65W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 6800 XT
+2473%
20740
Radeon R7 250 OEM
806
Graphics Card
Oct 2020
Release Date
Oct 2013
Navi II
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1825 MHz
Base Clock
1000 MHz
2250 MHz
Boost Clock
1050 MHz
2000 MHz
Memory Clock
1000 MHz
Memory
16GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
32.00GB/s
Render Config
72
Compute Units
6
4608
Shading Units
384
288
TMUs
24
128
ROPs
8
72
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
256 KB
128 MB
L3 Cache
-
Theoretical Performance
288.0 GPixel/s
Pixel Rate
8.400 GPixel/s
648.0 GTexel/s
Texture Rate
25.20 GTexel/s
41.47 TFLOPS
FP16 (half)
-
20.74 TFLOPS
FP32 (float)
806.4 GFLOPS
1296 GFLOPS
FP64 (double)
50.40 GFLOPS
Board Design
300W
TDP
65W
700 W
Suggested PSU
250 W
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
2x 8-pin
Power Connectors
None
Graphics Processor
Navi 21
GPU Name
Oland
Navi 21 XT
(215-121000177)
GPU Variant
Oland XT
(215-0837000)
RDNA 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
26.8 billion
Transistors
0.95 billion
520 mm²
Die Size
77 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.3
Vulkan
1.2
6.5
Shader Model
5.1
