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GPU Comparison
ATI Radeon HD 4870 vs AMD Radeon RX 6650 XT
ATI Radeon HD 4870 vs AMD Radeon RX 6650 XT
VS
ATI Radeon HD 4870
AMD Radeon RX 6650 XT
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4870 's Advantages
Lower TDP (150W vs 176W)
AMD Radeon RX 6650 XT 's Advantages
Released 13 years and 11 months late
Boost Clock2635MHz
Larger VRAM bandwidth (280.3GB/s vs 115.2GB/s)
1248 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4870
1.2 TFLOPS
Radeon RX 6650 XT
+799%
10.79 TFLOPS
Radeon HD 4870
VS
Radeon RX 6650 XT
Graphics Card
Jun 2008
Release Date
May 2022
Radeon R700
Generation
Navi II
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
2055 MHz
-
Boost Clock
2635 MHz
900 MHz
Memory Clock
2190 MHz
Memory
512MB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
280.3GB/s
Render Config
-
SM Count
-
10
Compute Units
32
800
Shading Units
2048
40
TMUs
128
16
ROPs
64
-
Tensor Cores
-
-
RT Cores
32
16 KB (per CU)
L1 Cache
128 KB per Array
256 KB
L2 Cache
2 MB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
168.6 GPixel/s
30.00 GTexel/s
Texture Rate
337.3 GTexel/s
-
FP16 (half)
21.59 TFLOPS
1200 GFLOPS
FP32 (float)
10.79 TFLOPS
240.0 GFLOPS
FP64 (double)
674.6 GFLOPS
Graphics Processor
RV770
GPU Name
Navi 23
RV770 XT (215-0669049)
GPU Variant
Navi 23 KXT (215-130000136)
TeraScale
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
7 nm
0.956 billion
Transistors
11.06 billion
256 mm²
Die Size
237 mm²
Board Design
150W
TDP
176W
450 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 8-pin
Graphics Features
10.1 (10_1)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.3
-
CUDA
-
4.1
Shader Model
6.5
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